Underframing
底层框架的材料或结构部件
🗣️ 情景例句
Sorry, but he is out at the moment.
抱歉，他现在出去了？
My car could win in a race against her junky car any day!
我的新车在任何一天去赛车，都能赢过她的旧汽车的。
Despite the fact that the bottle is tinted a delicate shade of green, an observant visitor would soon notice that it is filled with what looks like a thick, grayish substance.
尽管那只瓶子呈淡绿色，但细心的客人很快就会发现瓶里装的是一种看上去黏稠，颜色发灰的东西。